Giri no Kyoudai dakedo Koibito no Futari wa Doudou to Tsukiaitai

Kazuma and Yuuya are stepbrothers who are actually lovers and live under one roof (in their parents' house), secretly doing the things lovers do under their parents' radar. A particular close call is intercepted by Kazuma's quick-thinking. While Yuuya is determined to keep their relationship under w